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EC number: 213-448-9 | CAS number: 950-33-4
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 16-Apr-2015 to 24-Sep-2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Staatliches Gewerbeaufsichtsamt Hildeshelm
- Type of method:
- flask method
- Remarks:
- slow stirring, with GC-MS
- Key result
- Water solubility:
- 17.1 mg/L
- Temp.:
- 20 °C
- pH:
- 7
- Conclusions:
- A water solubility value of 17.1 mg/L (at 20 °C, pH 7) was determined for the test substance according to E.U. Method A.6.
Reference
Results
Water Solubility Results at 20 °C, pH = 7
Sampling of equilibrium |
Time after Application [h] |
Calculated Concentration [mg/L] 1) |
|
|
Replicate 1 |
Replicate 2 |
|
||
1 |
24.1 |
17.4 |
16.7 |
|
2 |
26.1 |
16.7 |
16.8 |
|
3 |
28.1 |
17.0 |
16.7 |
|
4 |
48.1 |
18.2 |
18.8 |
|
5 |
50.1 |
18.8 |
18.6 |
|
6 |
52.1 |
|
18.9 |
|
7 |
96.1 |
15.0 |
15.4 |
|
8 |
98.1 |
15.7 |
15.8 |
|
9 |
100.1 |
|
|
Overall |
|
Mean |
17.0 |
17.2 |
17.1 |
|
Deviation (%) |
251) |
231) |
1.52) |
SD = Standard deviation
CV = Coefficient of variation
Calc Conc. = Calculated concentration, dilution factor of 10 taken into account
1) = Calculation according to formula (1)
2) = Calculation according to formula (2)
3) = Determined to be an outlier via GRUBBS-test, not taken into further accounts.
Conclusions
The water solubility of the test item was determined at 20 °C and pH 7 to be 17.1 mg/L.
Description of key information
Water solubility: 17.1 mg/L at 20 °C, pH 7 (EU Method A.6, slow stirring flask method, GC-MS)
Key value for chemical safety assessment
- Water solubility:
- 17.1 mg/L
- at the temperature of:
- 20 °C
Additional information
A water solubility value of 17.1 mg/L (at 20 °C, pH 7) was determined for the test substance according to E.U. Method A.6.
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